Income Taxes (Schedule Of Deferred Tax Assets And Liabilities) (Details) - USD ($) $ in Millions	Nov. 30, 2019	Nov. 30, 2018
Income Tax Disclosure [Abstract]
Deferred tax assets, Employee benefit liabilities	$ 103.3	$ 82.7
Deferred tax assets, Other accrued liabilities	32.3	40.0
Deferred tax assets, Inventory	7.5	8.0
Tax credit carryforwards	46.8	57.2
Deferred tax assets, Other	48.1	44.2
Deferred tax assets, Valuation allowance	(32.4)	(32.9)
Deferred tax assets, total	205.6	199.2
Deferred tax liabilities, Depreciation	82.6	77.8
Deferred tax liabilities, Intangible assets	770.5	782.8
Deferred tax liabilities, Other	5.5	5.3
Deferred Tax Liabilities, Gross	858.6	865.9
Deferred tax liabilities, total	$ (653.0)	$ (666.7)